A048464 - OEIS

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A048464

Indices of primefree generations.

9, 11, 17, 18, 21, 22, 23, 24, 29, 32, 33, 35, 36, 38, 39, 40, 48, 49, 50, 54, 56, 57, 58, 65, 66, 67, 69, 70, 72, 74, 76, 77, 78, 79, 81, 83, 85, 86, 88, 89, 91, 93, 95, 96, 97, 99, 100, 101, 106, 107, 108, 110, 111, 113, 114, 115, 121, 125, 126, 128, 129

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..61.

CROSSREFS

For "Generations" see A048448-A048455. See also A047844.

Sequence in context: A329167 A216976 A236390 * A075824 A228951 A108113

Adjacent sequences: A048461 A048462 A048463 * A048465 A048466 A048467

KEYWORD

nonn

AUTHOR

Patrick De Geest, May 15 1999

EXTENSIONS

More terms from Sean A. Irvine, Jun 18 2021

STATUS

approved